[Pull 4709] - Copy JDK 11 Jetty classes to JDK 8 target

[Pull 4726] - test-framework Jetty provider - JDK 11 adjustments

[Pull 4747] - Merge of actual master into 3.x branch

[Pull 4768] - master merge into 3.x

[Pull 4771] - master merge into 3.x

[Pull 4772] - jakarta userGuide fixes

[Pull 4775] - merge of user guide changes from master to 3.x

[Pull 4778] - Technical merge of released branch 2.34-BRANCH into 3.x